KR101609632B1 - Automatic upsidedownness fire extinguishing equipment - Google Patents

Abstract

According to the present invention, disclosed is an extinction device for an LPG gas combustion equipment including: a valve casing where a gas path connected to each of a gas inlet and a gas outlet is formed, a valve sheet is formed on the gas path, and a holder hole connected to the gas path is formed on a lower part; a valve stem which is inserted on the gas path of the valve casing as being able to be elevated, has a valve head adhering to a valve sheet on an upper part, and has a collar formed on a lower part; a first spring which elevates the valve stem by being installed at a lower part of the valve stem; an operation ball which is inserted into the gas outlet of the valve casing as being able to change a position thereof, and pushes the valve stem by self-load in order for a gas fuel inputted through the gas inlet under an erect state of the valve casing to the gas outlet; a holder which has an upper part inserted into the holder hole of the valve casing, and has a valve guide guiding the valve stem to be elevated and being combined to the collar in an inner side of an upper part, and has a spring installation groove formed to install the first spring at a lower side of the valve guide; and a lever which has one side attached to the valve casing by pin joint, and has a center part to be combined to the valve casing to support a holder, and makes the holder descend at the same time as the valve stem by a leverage operation under the state that the valve stem ascends for the valve head to adhere to the valve sheet.

Description

{AUTOMATIC UPSIDEDOWNESS FIRE EXTINGUISHING EQUIPMENT}

The present invention relates to an automatic conduction fire extinguishing device for a liquefied petroleum gas combustor, and more particularly, to an automatic conduction fire extinguishing device for a liquefied petroleum gas combustor, The present invention relates to a gaseous fuel cutoff device capable of preventing a safety accident such as a fire by shutting off and stopping the supply of fuel, and supplying the gaseous fuel normally when the burner is upright even after it is conducted.

Generally, in outdoor activities such as camping and fishing, various kinds of propane or butane gas equipment (such as burner, stove, heater, lantern, etc.) fueled by liquefied petroleum gas such as propane gas or butane gas Hereinafter collectively referred to as liquefied petroleum gas combustion equipment).

Liquefied petroleum gas (LPG) combustion equipment is automatically shut off the supply of gas fuel in order to prevent safety accidents or dangerous situations such as fire, burns, etc. when the product is suddenly tripped (tilted or tilted) A so-called conduction fire extinguishing device is provided.

An example of such a conduction fire extinguishing device is disclosed in Korean Patent Laid-Open Publication No. 1998-0010127 entitled " Gas shutoff safety device in case of conduction of a heating heater (hereinafter referred to as a heater since the 'heater' .

1 and 2, the steel ball 18 is fixedly positioned in a state where the steel ball 18 is erected normally by the inclined surface 19 of the gas side 11. When the heating heater is conducted, The discharge valve 4 which has been opened by the load of the steel ball 18 and opened the entrance 13 is raised by the resilient restoring force of the spring 25, (13) is hermetically closed to cut off gas supply.

However, in the conventional gas barrier safety device, when the heating heater is once turned on and the valve packing 7 of the discharge valve 4 closes the entrance 13, even if the heating heater is upright, There is a problem in that it can not be used normally.

In other words, due to the physical and structural characteristics of the gas in the gas passage 11, the gas supplied at a constant range of pressure is always high. Therefore, the discharge valve 4 is lowered only by the self weight of the steel ball 18 There is a limit in opening the entrance 13.

Further, in the conventional gas barrier safety device, the spring 25 having an appropriate elastic modulus (spring constant) should be applied in consideration of the self weight of the steel ball 18 and the discharge valve 4, The discharge valve 4 can not be smoothly raised during the conduction of the heating heater. If the discharge valve 4 is too high, the compressed state can not be maintained due to the self weight of the steel ball 18 and the discharge valve 4 in the steady state. It is very difficult to design the system considering the inner pressure of the gas side 11 while simultaneously satisfying the characteristics of the gas side, so that there is a problem that the simple structure alone lacks usability and practicality.

Korean Patent Publication No. 1998-0010127 (Apr. 30, 1998) Korean Patent Registration No. 10-0241772 (Mar. 2, 2000) Korean Registered Patent No. 10-0242869 (Mar. 2, 2000)

Accordingly, the present inventor considers the above-mentioned matters in a comprehensive manner and focuses on solving limitations and problems of existing conduction fire extinguishing apparatuses (gas barrier safety apparatuses) to automatically shut off the supply of gaseous fuel upon conduction, Of the total amount of gas fuel that can be safely and conveniently handled when the burner is turned on and then installed normally so that it can be safely and conveniently used. Thereby inventing the present invention.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a conduction fire extinguishing device for a liquefied petroleum gas combustor, wherein normal operation can be performed easily and quickly when the liquefied petroleum gas combustor is set upright after being conducted.

According to an aspect of the present invention, there is provided an exhaust gas purifying apparatus, comprising: a gas inlet formed on a side surface thereof; a gas outlet formed in a lower portion thereof so as to be gradually narrowed downward; A gas passage communicating with the gas inlet and the gas outlet so as to allow the gas fuel to flow to the gas outlet, a valve seat formed on the gas passage, a valve hole formed in the lower portion, A valve stem mounted on a lower portion of the valve stem, the valve stem being formed in a lower portion of the valve stem, the valve stem being inserted into the gas passage of the valve casing so as to be able to move up and down, A first spring for generating an operating force for raising the stem; An operation ball inserted into the holder hole of the valve casing movably so as to press the valve stem with its own weight so that the gaseous fuel flowing through the gas inlet in the upright position of the valve casing moves to the gas outlet; A holder having a valve guide formed therein for guiding the valve stem so as to be movable up and down within a predetermined range and to which the collar is coupled and having a spring mounting groove for mounting the first spring on a lower side of the valve guide, The valve stem is raised so that the holder is lowered simultaneously with the valve stem by a lever action in a state in which the valve head is in close contact with the valve seat, Wherein the liquefied petroleum gas burner comprises a lever It proposes a device for conducting extinguishing device.

Accordingly, when the liquefied petroleum gas combustor is tilted or tilted by more than a certain angle, the supply of gas fuel is automatically shut off to prevent safety accidents such as fire, and the liquefied petroleum gas combustor is tilted or tilted The supply of the gaseous fuel can be smoothly performed normally even if the gaseous fuel is set upright after the supply of the gaseous fuel is cut off.

Further, in a preferred embodiment of the present invention, there is provided an apparatus comprising an adapter having an upper portion coupled to a lower portion of the valve casing and a lower portion connected to a nozzle of a gas container, And a regulating knob for regulating the amount of gaseous fuel supplied to the gas inlet in the gas container according to the operation, thereby improving convenience in use.

According to another preferred embodiment of the present invention, a second spring mounted between the lever and the adapter for generating an actuating force for returning the lever to its original position is provided, thereby enabling convenience and stability of operation and operation Can be improved.

According to another preferred embodiment of the present invention, a first packing for maintaining airtightness between the valve head of the valve stem and the valve seat of the valve casing is mounted, and the airtightness between the holder hole of the valve casing and the holder The gasket can be closed more smoothly and effectively by mounting the second packing for holding the gasket.

According to another preferred embodiment of the present invention, a discharge hole is formed on the side surface of the gas discharge port of the valve casing so as to be connected to a gas discharge port mounted on a cauldron of the combustion apparatus, and the gas discharge port and the discharge hole are connected The gas fuel can be more stably supplied to the crater of the combustion device.

In an embodiment of the present invention, in the upright state of the liquefied petroleum gas combustion apparatus, the operating ball presses the valve stem in the valve casing by its own weight to open the gas fuel to flow, and in the conduction state of the liquefied petroleum gas combustion apparatus, Wherein the valve stem is closed and closed so as to close the flow of the gaseous fuel by keeping the airtightness of the valve stem in close contact with the valve seat by the elastic restoring force of the spring, A valve stem fixed to the valve stem, a holder movably coupled to a lower portion of the valve stem, and a valve stem fixed to a lower portion of the valve stem, The holder is lowered simultaneously with the valve stem, And a lever that opens to flow.

The present invention having the solution and the constitution of the technical object as described above is characterized in that when the liquefied petroleum gas combustor is tilted or inclined beyond a certain angle, the load of the operating ball acting on the valve stem is removed, The valve stem is raised by the resilient restoring force, and the valve head is hermetically close to the valve seat of the valve casing to close the gas passage, so that the supply of the gaseous fuel is automatically shut off.

Therefore, it is possible to prevent a fire accident such as a fire or the like which may be caused by a liquefied petroleum gas combustor being tilted over a certain angle or in use.

In addition, when the liquefied petroleum gas burner is tilted or tilted, the gaseous fuel supply is shut off, and the valve stem is lowered by pushing the lever in an upright position for use. When the valve stem is lowered, The gap between the valve stem of the valve stem and the valve seat of the valve casing is released and the gap and the gas flow path are secured and the supply of the gaseous fuel through the gas flow path is normally performed. Of course, the ease of use can be maximized.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a conventional conduit fire extinguishing system for a liquefied petroleum gas combustor. FIG.
FIG. 2 is a perspective view and a cross-sectional view showing a local part of components of a conventional fire extinguishing system for a liquefied petroleum gas combustor.
3 is a perspective view of a liquefied petroleum gas combustion apparatus having a conduction fire extinguishing apparatus for a liquefied petroleum gas combustor according to an embodiment of the present invention.
4 is a longitudinal sectional view showing the state as viewed from the front of Fig.
5 is a longitudinal sectional view showing a state in which a conduction fire extinguishing apparatus for a liquefied petroleum gas combustor according to an embodiment of the present invention is viewed from the front.
FIG. 6 is a longitudinal sectional view showing a conduit fire extinguishing system for a liquefied petroleum gas combustor according to an embodiment of the present invention, as viewed from the rear; FIG.
FIG. 7 is a longitudinal sectional view (a cross-sectional view in the longitudinal direction of FIG. 5 and the center line of FIG. 5) showing an enlarged view of the state of the conduction fire extinguishing device for a liquefied petroleum gas combustor according to the embodiment of the present invention to be.
8 is a perspective view of a conduction fire extinguishing system for a liquefied petroleum gas combustor according to an embodiment of the present invention.
Fig. 9 is a stereoscopic view shown in Fig. 8 except for some components.
10 is an enlarged longitudinal sectional view (a state in which the flow of gaseous fuel is cut off) of a conduction fire extinguishing apparatus for a liquefied petroleum gas combustor according to an embodiment of the present invention )to be.

Hereinafter, embodiments according to the present invention will be described more specifically with reference to the accompanying drawings.

Prior to this, the following terms are defined in consideration of the functions of the present invention, and they are to be construed to mean concepts that are consistent with the technical idea of the present invention and interpretations that are commonly or commonly understood in the technical field of the present invention.

In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

Hereinafter, the attached drawings are exaggerated or simplified in order to facilitate understanding and clarification of the structure and operation of the technology, and it is to be understood that each component does not exactly coincide with the actual size.

And that any element includes an element, it does not exclude other elements unless specifically stated to the contrary.

3 to 9, a conduction fire extinguishing apparatus for a liquefied petroleum gas combustor according to an embodiment of the present invention includes a valve casing 100, a valve stem 110, a first spring 120, an operation ball 130 A holder 140, a lever 150, and a first and a second packing 160 and 170, respectively.

<Valve casing>

The valve casing 100 is formed in a cylindrical shape having an upper and a lower hollow. A gas inlet 101 is formed on one side of the valve casing 100, and a gas outlet 102 is formed on the upper portion of the valve casing 100.

That is, the gas discharge port 102 is formed in an inclined surface around the inner surface so that the operating ball 130 can always be positioned below the central portion (normal position) when the valve casing 100 is in an upright position.

A gas passage 103 communicating with the gas inlet port 101 and the gas outlet port 102 is formed in the hollow interior of the valve casing 100 so that the gas fuel flowing through the gas inlet port 101 moves toward the gas outlet port 102 A valve seat 104 is formed on the gas passage 103 and a holder hole 105 communicating with the gas passage 103 is formed on the lower surface of the valve seat 104.

A discharge hole 106 is formed in the side surface of the gas discharge port 102 so as to be connected to the gas discharge port 180 mounted on the burning port B of the combustion apparatus. The gas discharge port 180 and the discharge hole 106 And are connected to each other by a discharge pipe 181.

That is, the gas fuel passing through the gas inlet 101 and the gas passage 103 from the fuel container C and discharged to the gas outlet 102 flows through the gas outlet 180 through the outlet hole 106 and the outlet pipe 181, .

Here, the valve casing 100 may comprise a cylindrical body opened up and down for ease of processing and assembly, and upper and lower covers respectively coupled to upper and lower portions of the body.

<Valve stem>

The valve stem 110 is formed in a cylindrical shape having a predetermined length up and down and is inserted into the gas passage 103 in the valve casing so as to be able to lift the valve stem 110. A valve head And a collar 112 for generating contact interference with the holder 140 is integrally formed at a lower portion thereof.

Here, it is preferable that the lower portion of the collar 112 of the valve stem is formed to fit into the inner diameter of the first spring 120 which stably operates without disengaging the first spring 120.

<First spring>

The first spring 120 is inserted between the lower portion of the valve stem 110 and the spring mounting groove 142 of the holder to be described later so that when the load of the operating ball 130 acting on the valve stem 110 is removed, And generates an elastic restoring force for the upward operation of the valve stem 110 so that the valve head 111 of the valve stem maintains an airtight contact with the valve seat 104 in the valve casing.

That is, the first spring 120 is not deformed beyond the elastic limit even if the valve stem 110 and the actuating ball 130 are simultaneously subjected to a load. When the load of the actuating ball 130 is removed, It is preferable to employ those having an elastic modulus that exerts an elasticity to elastically raise the elasticity.

Here, it is preferable that the first spring 120 use a compression coil spring that provides a force to repel the applied load, but it is not limited thereto, and any one having the same effect can be used.

<Operation Ball>

The operation ball 130 is formed in a spherical shape having a predetermined weight and diameter and is inserted into the gas outlet 102 of the valve casing in a positionable manner.

The operating ball 130 is moved to the gas outlet 102 through the gas passage 103 when the valve casing 100 is vertically erected, that is, when the combustor is standing upright, The upper end of the valve stem 110 is pressed with its own weight.

Here, it is preferable that the actuating ball 130 employs a force acting so as to compress the first spring 120 while pressing the valve stem 110.

<Holder>

The holder 140 is formed in a cylindrical shape so that an upper portion is inserted into the holder hole 105 in the valve casing and the valve stem 110 is supported on the collar 112 of the valve stem by guiding the valve stem 110 up and down within a predetermined range, A spring mounting groove 142 is formed at a predetermined depth so that the lower portion of the first spring 120 is inserted into the lower bottom surface of the valve guide 141 have.

Further, a lever-locking step 143 for retaining the lever 140 in a locked state is formed in the lower portion of the holder 140.

That is, the holder 140 can lower the valve stem 110 to the lower side of the valve casing 100 according to the user's selection and need, and the gas passage 103 is opened through the holder 140.

<Lever>

The lever 150 moves down the holder 140 simultaneously with the valve stem 110 by the leverage action when the valve stem 110 rises and the valve head 111 is in close contact with the valve seat 104 in the valve casing And the center portion is coupled to the lower portion of the holder 140 to interlock with the holder 140 while supporting the holder 140. [

That is, when the valve stem 110 is elevated and the gas passage 103 is closed, the lever 150 can be easily and easily lowered to the holder 140 and the valve stem 110 Respectively.

The lever 150 supports the holder 150 so that the lifting operation of the holder 140 is maintained within a predetermined range with the pin 151 as a center axis and the valve stem 110 and the holder 140 support the holder hole 105 To the lower side.

<First and Second Packings>

The first packing 160 is mounted in an airtight manner around the outer surface of the valve head 111 to maintain airtightness between the valve head 111 of the valve stem and the valve seat 104 in the valve casing, 2 packing 170 is mounted at the lower end of the inner surface of the holder hole 105 to maintain airtightness between the holder hole 105 and the holder 140 in the valve casing.

Here, the first packing 160 and the second packing 170 are made of a fluororesin or a synthetic rubber and are formed in the form of an o-ring for smooth sealing action.

When the liquefied petroleum gas combustor is conduced by the first packing 160, the gas passage 103 is closed more smoothly and effectively, and the holder hole 105 is hermetically closed by the second packing 160, It is possible to improve not only the usability but also the safety because the leakage of the gaseous fuel is prevented.

<Adapter>

The adapter 200 is connected to the nozzle of the gas container C to receive the gaseous fuel charged in the gas container C.

An upper portion of the adapter 200 is coupled to a lower portion of the valve casing 100 and an inlet 201 communicating with the gas inlet 101 in the valve casing is formed therein.

That is, the gaseous fuel in the gas container C is supplied to the gas inlet 101 in the valve casing through the inlet 201 of the adapter.

<Adjustment knob>

The adjustment knob 210 is rotatably mounted on the inlet 201 of the adapter to adjust the amount of gas fuel supplied from the gas container C to the gas inlet 101 in the valve casing.

That is, the adjustment knob 210 is mounted by screwing with the injection port 201, and moves the position in the horizontal direction according to the rotation direction, thereby opening and closing the opening of the injection hole 201 by opening the opening.

&Lt; Second spring &

The second spring 220 is mounted between the lever 150 and the adapter 200 so that an elastic restoring force is applied to the lever 150 such that the lever 150 quickly ascends and returns to its original position even if the lever 150 is rotated downward about the pin 151 Occurs.

Here, it is preferable that the second spring 220 use a compression coil spring that provides a force to repel the applied load as in the case of the first spring 120, but it is not limited thereto. It may be used.

The operation of the conduction fire extinguishing system for a liquefied petroleum gas combustor according to an embodiment of the present invention will now be described.

7, when the liquefied petroleum gas combustor is in an upright position with respect to the paper surface, the gas outlet 102 of the valve casing is formed to have a gradually narrower width as it goes downward and has an inclined surface, The operating ball 130 is positioned at the center of the gas outlet 102, that is, at a normal position, so that the upper end of the valve stem 110 is self-weighted The valve stem 110 is lowered to release the state in which the valve head 111 is brought into sealing contact with the valve seat 104 in the valve casing so that the gas fuel flowing through the gas inlet 101 flows into the gas passage And then discharged to the gas outlet 102 naturally.

At this time, the first spring 120 is compressed by the load of the valve stem 110 and the operation ball 130 acting on the valve stem 110.

In this state, when the liquefied petroleum gas combustor is tilted or tilted beyond a predetermined angle as shown in Fig. 10, the operating ball 130 moves naturally along the inclined surface of the gas exhaust port 102 to move the position The load acting on the valve stem 110 is removed and the elastic force of the first spring 120 in the compressed state causes the load of the valve stem 110 to be held and tensioned, The valve head 111 of the valve stem is tightly brought into close contact with the valve seat 104 in the valve casing to completely close the gas passage 103 so that the supply of the gaseous fuel is automatically shut off do.

At this time, the collar 112 of the valve stem is in contact with the upper end of the inner surface of the valve guide 141 of the holder.

When the user pushes the lever 150 downward, the holder 140 connected to the lever 150 by the leverage principle is easily lowered, and the liquefied petroleum gas- At the same time, the valve stem 110 is lowered by the collar 112 which has been in contact with the valve guide 141 of the holder, so that the operating ball 130 naturally falls to the center of the gas outlet 102 The valve stem 110 is placed on the upper end of the valve stem 110 and the load acts on the valve stem 110 so that the first spring 120 is compressed originally so that the valve stem 110 is lowered to its original normal position So that it can be stably maintained.

When the user releases the pressing force to press the lever 150, the elastic force of the second spring 220 in the compressed state when the lever 150 is pressed causes the lever 150 to rotate about the pin 151 The holder 140 is lifted up to the original position and returned to the normal position as shown in FIG.

In this process, the closed state due to the close contact between the valve head 111 of the valve stem and the valve seat 104 of the valve casing is naturally released, so that the clearance and the gas flow path are ensured and the supply of the gaseous fuel through the gas flow path 103 is normally .

If the liquefied petroleum gas burner is tilted in use or tilted more than a certain angle, it is possible to prevent a safety accident such as a fire. In addition, after the liquefied petroleum gas burner is once conducted, It can be easily converted into a state in which the supply is normally performed, and the state can be stably maintained, thereby greatly increasing the convenience and safety of use.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments or constructions. Various changes and substitutions may be made without departing from the spirit and scope of the invention. It will be obvious to those skilled in the art that the present invention can be widely applied to other embodiments.

Therefore, it is to be understood that modifications and variations of the features of the present invention are intended to be included within the spirit and scope of the present invention.

100: valve casing 101: gas inlet
102: gas discharge port 103: gas passage
104: valve seat 105: holder hole
106: discharge hole
110: valve stem 111: valve head
112: collar 120: first spring
130: Operational ball 140: Holder
141: valve guide 142: spring mounting groove
143: Lever jaw 150: Lever
151: pin 160: first packing
170: second packing 180: gas outlet
181:
190: second spring 200: adapter
201: Inlet port 210: Adjustment knob
220: second spring

Claims (6)

A gas inlet is formed at a lower side of the gas inlet and a gas outlet is formed at a lower portion of the gas outlet so that the gas outlet is gradually narrowed downward, A valve casing formed on the gas passage and having a holder hole communicating with the gas passage at a lower portion thereof;
A valve stem which is vertically inserted into the gas passage of the valve casing and has a valve head which is in close contact with the valve seat at an upper portion thereof and a collar is formed at a lower portion thereof;
A first spring mounted on a lower portion of the valve stem to generate an operating force to lift the valve stem;
An operating ball which is movably inserted in a gas discharge port of the valve casing and presses the valve stem at its own weight so that gas fuel flowing through the gas inlet in the upright state of the valve casing moves to the gas discharge port;
A valve guide for guiding the valve stem so as to be able to move up and down within a predetermined range and engaging with the collar is formed on an inner side of the valve stem, A holder having a spring mounting groove for mounting the first spring on a lower side thereof;
Wherein the valve stem is raised so that the valve stem is brought into close contact with the valve seat so that the holder is supported by the valve stem A lever that moves downward to open the gas fuel to flow;
An adapter having an upper portion coupled to a lower portion of the valve casing and a lower portion connected to a nozzle of the gas container, the inlet having an inlet communicating with the gas inlet;
A regulating knob mounted on the inlet of the adapter to regulate the amount of gaseous fuel supplied to the gas inlet in the gas vessel; And
A second spring mounted between the lever and the adapter to generate an operating force for returning the lever to its original position;
Wherein the conduit is connected to the conduit.
delete delete The method according to claim 1,
A first packing for maintaining airtightness between a valve head of the valve stem and a valve seat of the valve casing is mounted and a second packing for maintaining airtightness between the holder hole of the valve casing and the holder is mounted, Conducting fire extinguisher for combustor.
The method according to claim 1,
A discharge hole is formed on a side surface of the gas discharge port of the valve casing so as to be connected to a gas discharge port mounted on a crater of the combustion device and the gas discharge port and the discharge hole are communicated with each other through a discharge pipe. delete

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